Contacts Local Government UnpublishedFilter Field Rio Grande County Rio Grande County-Commisioners and Administration Phone: 719-657-2744 Costilla County Costilla County Commissioners and Administration Phone: 719-672-3372 Alamosa County Alamosa County Commissioners and Administration Phone: 719-589-4848 Mineral County Mineral County Commissioners and Administration Phone: 719-658-2331 Saguache County Saguache County Commissioners and Administration Phone: 719-256-5003 Conejos County Conejos County Commissioners and Administration Phone: 719-376-5772